Teccus Fashion Ear Hook Sports Sweat Proof Headphones Brand: teccus - sport headphones with ear hook Removable covers in 4 different colors: silver, green, red & blue Secure grip - lightweight - good sound - quality ergonomic Frequency: 20 hz - 20, 000 hz sensitivity: 110 db Cable length: 1.2 m - plug: 3.5 mm